Interior Wall Insulation Faced Or Unfaced

Insulation in rolls called batts comes in two varieties.

Interior wall insulation faced or unfaced.

While faced insulation is stapled to the wall studs unfaced fiberglass insulation is installed slightly differently but offers the same benefits. Kraft faced or paper faced insulation comes in batts and long rolls. If i use faced insulation should the paper go towards the outside of the house or the inside. You may be required to cover the kraft paper with other materials depending on your local codes.

Unfaced means the insulation lacks a vapor retarder paper or plastic facing. Insulate as you would any exterior wall with insulation that includes a vapor retarder. Interior wall insulation 55 johns manville insulation 48 knauf insulation 20 kraft faced insulation 64 mechanical insulation 1 mineral wool insulation 3 owens corning insulation 27 r 11 insulation 15. All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife.

Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration. Unfaced insulation in your garage. For example if you plan on using your garage for your welding projects you run the risk of having a welding fire. Or should i use unfaced.

The insulation is against the wall not towards the first floor. I don t want a potential mold problem. The batts are precut to fit into cavities on standard 8 foot high walls. Any time you use a faced insulation the paper needs to be facing toward the living space.

My thoughts were i would use faced so there would be a barrier for moisture coming from the outside wall. Kraft faced insulation should be installed in exterior walls exterior basement walls and attic ceilings by pressing the product into the wall cavity with the paper side. The same applies to faced unfaced and other kinds of insulation products. When done right insulation will improve your energy rating keeping you warm in the winter and cool in the summer.

Part of getting it right means knowing when to use faced or unfaced insulation in walls. Faced or the type with paper is typically used in first time applications such as in walls ceilings floors and in crawl spaces. Kraft faced insulation includes a paper vapor retarder which helps prevent mold and mildew. What is the right insulation for an attic.

1 measure the space the insulation needs to fit. Roll insulation is best for floors ceilings and roofs with a long joist or rafter bays and for tall walls. If it is done poorly your seasonal comfort zones will be anything but comfortable.